Rev.05242021JA
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3
Notice to Installer:
For CineGrey 4D models only
Please use the following installation instructions to obtain superior optical performance from the
CineGrey 4D Angular Reflective ALR
(Ambient Light Rejecting)
Screen.
• Angular-Reflective material is not compatible with ultra-throw projectors
• Minimum lens throw ratio 1.5x image width
• Ambient light must not come from the same direction as the projector
Since angular-reflective means that the projected image will reflect at the mirror-opposite angle, it is important to
position the projector so that the viewer will get the best possible image.
Step 1:
Establish the general “eye level” of the viewers
Step 2:
Set the appropriate projection level
Step 3:
Adjust the screen height level and projection angle
Input Angle
(A) = Output Angle (B) aligns with the viewer’s angle
